Documentation | Circle APIs
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Circle APIs Documentation
Learn how to integrate with Circle APIs to accept traditional and USDC payments, automate payouts, embed multi-asset accounts into your product or service, or power your internet marketplace.
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Circle APIs
Circle APIs Documentation
Authentication
API Keys
Getting Started with Circle APIs
Testing connectivity and API keys
Sandbox & Production Environments
What is USDC?
Idempotent Requests
Circle API Resources
Circle API Notifications
Pagination and Filtering
Common Error Responses
ACH Guide
ACH Authorization
ACH Settlements and Timing
Testing ACH
Swap USDC Across Blockchains
Blockchain Confirmations
API Errors
Entity Errors
API Response Errors
API Status
Core Functionality
Getting Started
✨ Send Account Funds Externally
Payments API
Getting Started
Card Payments Quickstart
Wire Payments Quickstart
Accept Card Payments
Test Card Numbers
Verifying Card Details
3D Secure Authentication
✨ Notifications Quickstart
Post-Payments Processing
Card Transaction Times
Cards, Banks and Payments Risk Evaluation
Amounts & Limits
Supported Countries
Supported Currencies
Supported Payment Methods
Sample Payments Application
Watchlists
Payouts API
Getting Started
✨ Wire Payouts Quickstart
Bank Accounts for Wire Transfers in Different Countries
Wire Payouts Testing
Accounts API
Getting Started
✨ Send Funds Externally
✨ Receive External Funds
Fund Test Wallets
Supported Chains and Currencies
Wallets, Addresses and Transfers
Your Master Wallet
USDC on Testing Networks
Risk Management
Risk Overview
Risk Notifications
Risk Evaluation
Fraud Management
Fraud Tools
Circle Monitoring Programs
Card Monitoring Programs
ACH Payments Return Monitoring
Dispute Management
Chargeback Categories
Chargeback Reason Codes
Circle APIs
Circle APIs Documentation
Authentication
API Keys
Getting Started with Circle APIs
Testing connectivity and API keys
Sandbox & Production Environments
What is USDC?
Idempotent Requests
Circle API Resources
Circle API Notifications
Pagination and Filtering
Common Error Responses
ACH Guide
ACH Authorization
ACH Settlements and Timing
Testing ACH
Swap USDC Across Blockchains
Blockchain Confirmations
API Errors
Entity Errors
API Response Errors
API Status
Core Functionality
Getting Started
✨ Send Account Funds Externally
Payments API
Getting Started
Card Payments Quickstart
Wire Payments Quickstart
Accept Card Payments
Test Card Numbers
Verifying Card Details
3D Secure Authentication
✨ Notifications Quickstart
Post-Payments Processing
Card Transaction Times
Cards, Banks and Payments Risk Evaluation
Amounts & Limits
Supported Countries
Supported Currencies
Supported Payment Methods
Sample Payments Application
Watchlists
Payouts API
Getting Started
✨ Wire Payouts Quickstart
Bank Accounts for Wire Transfers in Different Countries
Wire Payouts Testing
Accounts API
Getting Started
✨ Send Funds Externally
✨ Receive External Funds
Fund Test Wallets
Supported Chains and Currencies
Wallets, Addresses and Transfers
Your Master Wallet
USDC on Testing Networks
Risk Management
Risk Overview
Risk Notifications
Risk Evaluation
Fraud Management
Fraud Tools
Circle Monitoring Programs
Card Monitoring Programs
ACH Payments Return Monitoring
Dispute Management
Chargeback Categories
Chargeback Reason Codes
API Overview
Health
get
Ping.
Management
get
Get configuration information.
Encryption
get
Get public key.
Subscriptions
get
Get a list of notification subscriptions.
post
Create a notification subscription.
delete
Remove a subscription.
Stablecoins
get
Get supplies of all supported stablecoins.
Core Functionality
Balances
get
Get balance.
Payouts
get
Get a list of payouts.
post
Create a payout.
get
Get a payout.
Bank accounts
post
Create a bank account (wires).
get
Get a list of bank accounts (wires).
get
Get a bank account (wires).
post
Create a Signet bank account (only available on Production now).
get
Get a list of Signet bank accounts (only available on Production now).
get
Get a Signet bank account (only available on Production now).
get
Get the Signet transfer instructions into the Circle bank account given your bank account id (only available on Production now).
get
Get the wire transfer instructions into the Circle bank account given your bank account id.
Transfers
post
Create a transfer.
get
Get a list of transfers.
get
Get a transfer.
Addresses
post
Generate a deposit address.
get
Get a list of deposit addresses.
post
Add a recipient address.
get
Get a list of verified recipient addresses.
Deposits
get
Get a list of deposits.
Payments API
Payments
get
Get a list of payments.
post
Create a payment.
get
Get a payment.
post
Capture a payment.
post
Cancel a payment.
post
Refund a payment.
post
Create a mock wire payment.
Cards
post
Create a card.
get
Get a list of cards.
get
Get a card.
put
Update a card.
Bank accounts
post
Create a bank account (wires).
get
Get a bank account (wires).
get
Get the wire transfer instructions into the Circle bank account given your bank account id
post
Create a bank account (ACH).
get
Get a bank account (ACH).
post
Create a mock ACH account.
On-chain payments
post
Create a wallet.
get
Get a list of wallets.
get
Get a wallet.
post
Generate a blockchain address.
get
Get a list of addresses.
Settlements
get
Get a list of settlements.
get
Get a settlement.
Chargebacks
get
Get a list of chargebacks.
get
Get a chargeback.
post
Create a mock chargeback.
Reversals
get
Get a list of ACH payment reversals.
Balances
get
Get balance.
Payouts API
Payouts
get
Get a list of payouts.
post
Create a payout.
get
Get a payout.
Bank accounts
post
Create a bank account (wires).
get
Get a bank account (wires).
post
Create a bank account (ACH).
get
Get a bank account (ACH).
post
Create a mock ACH account.
Transfers
post
Create a transfer.
get
Get a list of transfers.
get
Get a transfer.
Returns
get
Get a list of payout returns.
Accounts API
Wallets
post
Create a wallet.
get
Get a list of wallets.
get
Get a wallet.
post
Generate a blockchain address.
get
Get a list of addresses.
Transfers
post
Create a transfer.
get
Get a list of transfers.
get
Get a transfer.
DeFi Yield
post
Create a yield transfer.
get
Get a list of yield transfers.
get
Get a yield transfer by id.
get
Get an exchange rate.
Circle APIs
Circle APIs Documentation
Authentication
API Keys
View All 15
Core Functionality
Getting Started
✨ Send Account Funds Externally
Payments API
Getting Started
Card Payments Quickstart
Wire Payments Quickstart
View All 13
Payouts API
Getting Started
✨ Wire Payouts Quickstart
Wire Payouts Testing
Accounts API
Getting Started
✨ Send Funds Externally
✨ Receive External Funds
View All 8
Risk Management
Risk Overview
Risk Notifications
Risk Evaluation
View All 6